Posted by hsrai on Apr 07, 2013; 2:35am
URL: https://forum.librecad.org/Way-to-select-multiple-entities-and-move-all-of-them-to-a-new-layer-tp5707860p5707862.html

777funk wrote

I'd like to move a pile of selected entities to a new layer.

Modify -> Attributes

select entities (ctrl a for all), finish selection process, select layer from popped up dialogue box.

777funk wrote

I noticed that Ctrl+Z is not Undo-ing. Not sure why this could be. I can't select and hit delete to delete an entity

All above you mentioned, work fine for me. Any 'Num-Lock' issue? If you have more than one [Del] keys, try other one.

Telling your version of LibreCAD, will give you more useful help.